As classified in WFO snapshot
June 2023
Warning: older classification
subspecies
Hieracium flagellare subsp. tweriense
This subspecies name was first published in in Spisok Rast. Gerb. Russk. Fl. Bot. Muz. Imp. Akad. Nauk 6: 83. 1908
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .